69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/* $NetBSD: pud_sys.h,v 1.1 2007/11/20 18:47:06 pooka Exp $ */
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/*
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* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
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*
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* Development of this software was supported by the
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* Research Foundation of Helsinki University of Technology
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _DEV_PUD_PUDSYS_H_
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#define _DEV_PUD_PUDSYS_H_
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#include <dev/putter/putter_sys.h>
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#include <dev/pud/pud_msgif.h>
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struct pud_touser {
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struct pud_req *pt_pdr;
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kcondvar_t pt_cv;
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TAILQ_ENTRY(pud_touser) pt_entries;
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};
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struct pud_dev {
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dev_t pd_dev;
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struct putter_instance *pd_pi;
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kmutex_t pd_mtx;
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TAILQ_HEAD(,pud_touser) pd_waitq_req;
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TAILQ_HEAD(,pud_touser) pd_waitq_resp;
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kcondvar_t pd_waitq_req_cv;
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size_t pd_waitcount;
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kcondvar_t pd_draincv;
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LIST_ENTRY(pud_dev) pd_entries;
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uint64_t pd_nextreq;
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};
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int pud_config(int, int, int);
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int pud_request(dev_t, void *, size_t, int, int);
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struct pud_dev *pud_dev2pud(dev_t);
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#endif /* _DEV_PUD_PUDSYS_H_ */
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